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An improved model of passenger merging in a Y-shaped passage

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  • Liang, Mengdi
  • Xu, Jie
  • Jia, Limin
  • Qin, Yong

Abstract

During the merging process in a Y-shaped passage, the walking direction of pedestrians changes, which can cause crowding and decrease the efficiency of walking facilities. Based on an analysis of interactions among pedestrians, this study conducts a series of merging simulations with an improved social force model (ISFM) to investigate the influences of various walking parameters of pedestrians in a Y-shaped passage. First, we construct an ISFM by adding a centripetal force to analyze pedestrian turning behaviors based on the basic social force model (BSFM). Second, we define simulation scenes with different angles (30°, 60°and 90°) and branch passage widths (2 m, 3 m and 4 m). Walking behavior parameters such as the walking speed, traversal time and population density in the branch passages are analyzed. The results show that as the width of the branch passage increases, the traversal time decreases and throughput increases. The turning angle has little influence on the results, but as the angle decreases, pedestrian speeds sharply fluctuate in the merging area, thereby increasing the blockage probability and prolonging the traversal time. Finally, relationships between the branch passage width and traversal time and the merging angle and speed fluctuations are proposed.

Suggested Citation

  • Liang, Mengdi & Xu, Jie & Jia, Limin & Qin, Yong, 2020. "An improved model of passenger merging in a Y-shaped passage," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 540(C).
    • Handle: RePEc:eee:phsmap:v:540:y:2020:i:c:s0378437119318151
    DOI: 10.1016/j.physa.2019.123233
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    References listed on IDEAS

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    1. Liao, Weichen & Tordeux, Antoine & Seyfried, Armin & Chraibi, Mohcine & Drzycimski, Kevin & Zheng, Xiaoping & Zhao, Ying, 2016. "Measuring the steady state of pedestrian flow in bottleneck experiments," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 461(C), pages 248-261.
    2. Nagatani, Takashi, 2002. "Dynamical transition in merging pedestrian flow without bottleneck," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 307(3), pages 505-515.
    3. Tajima, Yusuke & Nagatani, Takashi, 2002. "Clogging transition of pedestrian flow in T-shaped channel," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 303(1), pages 239-250.
    4. Sun, Lishan & Luo, Wei & Yao, Liya & Qiu, Shi & Rong, Jian, 2017. "A comparative study of funnel shape bottlenecks in subway stations," Transportation Research Part A: Policy and Practice, Elsevier, vol. 98(C), pages 14-27.
    5. Haghani, Milad & Sarvi, Majid, 2017. "Stated and revealed exit choices of pedestrian crowd evacuees," Transportation Research Part B: Methodological, Elsevier, vol. 95(C), pages 238-259.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. Wang, Weili & Zhang, Jingjing & Li, Haicheng & Xie, Qimiao, 2020. "Experimental study on unidirectional pedestrian flows in a corridor with a fixed obstacle and a temporary obstacle," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 560(C).
    2. Shi, Yihan & Xu, Jie & Zhang, Hui & Jia, Limin & Qin, Yong, 2022. "Empirical investigation on turning behavior of passengers in subway station," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 606(C).
    3. Li, Yongxing & Yang, Xiaoxia & Wang, Zijia & Chen, Liang & Chen, Yanyan, 2022. "Lane-design for mixed pedestrian flow in T-shaped passage," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 589(C).
    4. Shi, Yihan & Xu, Jie & Zhang, Hui & Jia, Limin & Qin, Yong, 2022. "Walking model on passenger in merging passage of subway station considering overtaking behavior," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 585(C).
    5. Ye, Rui & Wang, Qiao & Zeng, Guang & Huang, Zhongyi & Gao, Yan & Fang, Zhiming, 2022. "Trajectory-based analysis on pedestrian merging flow on a stair landing," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 603(C).

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